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4011 Steffa St, Antioch, CA 94509 Property Records

Contra Costa County property record for 4011 Steffa St, Antioch, CA 94509 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms3 Baths
Year BuiltBuilt 2014
Square Footage2,857 sqft Living Area
Lot Size7,824 sqft (0.18 acres)
OccupancyOwner Occupied
Last Sale$491,000 (2014)
Tax Bill$9,215.00 (2025)

Property Details

APN / Parcel Number

Primary APN089-600-022-1
Alternative APN
  • 089-600-022

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms9 Rooms
Building Area2,857 sqft Living Area
1st Floor1,360 sqft 1st Floor
2nd Floor1,497 sqft 2nd Floor
Stories2 Stories

Exterior

Year BuiltBuilt 2013
Effective Year BuiltEffective 2014
Lot Area7,824 sqft (0.18 acres)
Parking Spaces2 Parking Spaces
Garage TypeAttached Garage
Garage Area602 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling

Location & Zoning

Street Address4011 STEFFA ST
CityANTIOCH
StateCA
Zip94509-4374
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionT8586 L239
Legal SubdivisionBLACK DIAMOND RANCH 3 SUB 8586
Legal Tract8586
Legal Lot Number239
JurisdictionCONTRA COSTA CA
Minor Civil DivisionANTIOCH-PITTSBURG
Census Blockgroup2
Census Block2009
Census Tract313106

Owner

Source: Contra Costa County records · APN 089-600-022-1

Assessment roll updated July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on File
Mailing Address4011 STEFFA ST, ANTIOCH, CA 94509-4374
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingSole Owner

Deeds, Mortgages & Sale History

DateDocument
Jan 27, 2017Deed of Trust, Mortgage · Adjustable Rate Mortgage (ARM)
US BANK NA
Aug 06, 2020Deed of Trust, Mortgage · Conventional Mortgage
OWNING CORPORATION
Jan 29, 2020Intrafamily Transfer, Transfer · Conventional Mortgage
US BANK NA

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleApr 15, 2014 · Amount on Record
Deed SaleApr 15, 2014 · Amount on Record
Deed Doc Number201457733
Last Transfer DateJan 16, 2020
Transfer Doc0000017614
Record RefreshedSep 20, 2026

January 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4011 STEFFA ST, ANTIOCH, CA 94509-4374
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyLSI TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000016857
DateJan 27, 2017
Instrument2017-016857
Lender
NameUS BANK NA
TypeBank
AddressOWENSBORO, KY 42301
Agreement
TypeAdjustable Rate Mortgage (ARM)
AmountAmount Recorded
Term361 Months
DueFeb 01, 2047
Interest
Rate TypeAdjustable Rate
Rate3.5%
AdjustableDocument includes a rider for adjustable-rate mortgage with a specific rate change date.
Type Change DateFeb 01, 2022
Change FrequencyAnnually
Min Rate At Change2.75%
Max Rate At Change5.5%
Index1-Year CMT
Max Rate8.5%

August 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4011 STEFFA ST, ANTIOCH, CA 94509-4374
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyORANGE COAST TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000164473
DateAug 06, 2020
Instrument2020-164473
Lender
NameOWNING CORPORATION
TypeNon-Lending Institution
AddressORANGE, CA 92868
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueAug 01, 2050

January 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJan 29, 2020
Property Address4011 STEFFA ST, ANTIOCH, CA 94509-4374
Document Number0000017614
Map ReferenceMB 504 PG 32
Instrument DateJan 16, 2020
Instrument2020-017614
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanySERVICELINK

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4011 STEFFA ST, ANTIOCH, CA 94509-4374

Mortgage

Document Number0000017615
DateJan 29, 2020
Instrument2020-017615
Lender
NameUS BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 01, 2050

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityAntioch City
Unified School DistrictAntioch Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

YearTax BillAssessed Value
2026$613,300 (+2%) Land $125,032 Building $488,268
2025$9,215.00 (+2.83%)$601,276 (+4.04%) Land $122,581 Building $478,695
2023$8,961.00 (+1.6%)$577,929 Land $117,822 Building $460,107
2022$8,820.00

Flood & Wildfire

4011 Steffa St is in FEMA Zone X, outside the Special Flood Hazard Area, with direct wildfire exposure (High risk).

Flood

Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo
Nearest Special Flood Hazard AreaZone A, within 500 ft

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesHigh
84th percentile of exposed land nationally · 64th in California
Wildfire LikelihoodHigh — about 1 in 149 per year
ExposureDirect
burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.

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